Licensed Onsite System Inspectors/Evaluators List

Click on a county in the map below to see a list of Missouri Licensed Onsite System Inspectors/Evaluators who serve that county. You may also check the surrounding counties..

Or, for an alphabetical listing, click on the letter ranges below.

A -- B -- C-D -- E-G -- H-J -- K-L -- M-N -- O-R -- S-T -- U-Z

Contact Us if you have questions about this list, or to update or correct an address.

Also, a listing of Suspended or Revoked Onsite System Inspectors/Evaluators is available.